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providing structure support and involved in movement.
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What are the names of protein filaments in a muscle fiber?
Actin Filaments
The thin filaments contain a polypeptide subunit G actin that seems to have no function?
FALSE
What are the filaments of a dynamic skeleton?
Actin filaments
What contains actin filaments?
Microfilaments contain actin filaments. They are the thinnest filaments of the cytoskeleton, which is a structure found in the cytoplasm of eukaryotic cells.
What would enable you to identify the plus end of actin filaments?
add radiolabeled actin subunits to a mixture of actin filaments in which conditions are favorable for polymerization.
Do actin filaments have membranes?
No. They are polymers of actin that form 'filaments'. Membranes in eukaryotic cells are composed of a 'lipid bilayer'
What do actin filaments support?
the cytoskeleton
The thick filaments of muscle fibers are composed of what?
Myosin
What are actin and myosin and are they organized iin a muscle?
Thick filaments are made of the protein myosin and thin filaments are made of the protein actin. Myosin and actin filaments are arranged to form and overlapping pattern which gives muscle tissue its striated appearance.
Do myosin filaments outnumber actin filaments in skeletal muscles?
No. 2 to active
Contratile elements of the cytoskeleton?
Actin filaments
Where are actin filaments only located?
in the A band
